结论：使用氟化钠涂膜与氟化钠溶液相比氟离子与牙釉质接触和反应的时间更长，有效地降低脱矿，提高牙釉质抗酸溶解性。
Conclusion: The time of NaF varnish contact and reaction with enamel was longer than NaF solution to increase acid-resistance and reduce demineralization effectively.
本文采用原子力显微镜和X射线粉末衍射仪研究了PVA溶液旋转涂膜的溶剂化效应。
The solvent effect on the preparation of PVA film by low speed spin machine was studied by using AFM and XRD.
导电性高分子溶液的涂膜具有高导电性，高透光和低电阻的性能。
A coating film of the electroconductive polymer solution has high conductivity and transmission and low resistance.
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